Photonic crystal couplers for slow light

Andrey A. Sukhorukov; Sangwoo Ha; Kokou B. Dossou; Lindsay C. Botten; Andrei V. Lavrinenko; Dmitry N. Chigrin; Yuri S. Kivshar

doi:10.1117/12.772232

29 January 2008 Photonic crystal couplers for slow light

Andrey A. Sukhorukov, Sangwoo Ha, Kokou B. Dossou, Lindsay C. Botten, Andrei V. Lavrinenko, Dmitry N. Chigrin, Yuri S. Kivshar

Author Affiliations +

Proceedings Volume 6904, Advances in Slow and Fast Light; 69040S (2008) https://doi.org/10.1117/12.772232
Event: Integrated Optoelectronic Devices 2008, 2008, San Jose, California, United States

Abstract

We propose a general approach to the design of directional couplers in photonic-crystals operating in the slowlight regime. We predict, based on a general symmetry analysis, that robust switching of slow-light pulses is possible between antisymmetrically coupled photonic crystal waveguides. We demonstrate, through numerical Bloch mode frequency-domain and finite-difference time-domain (FDTD) simulations that, for all pulses with strongly reduced group velocities at the photonic band-gap edge, complete switching occurs at a fixed coupling length of just a few unit cells of the photonic crystal.

Citation Download Citation

Andrey A. Sukhorukov, Sangwoo Ha, Kokou B. Dossou, Lindsay C. Botten, Andrei V. Lavrinenko, Dmitry N. Chigrin, and Yuri S. Kivshar "Photonic crystal couplers for slow light", Proc. SPIE 6904, Advances in Slow and Fast Light, 69040S (29 January 2008); https://doi.org/10.1117/12.772232

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